Rudy Giuliani

Rudolph William Louis "Rudy" Giuliani (28 May 1944-) was Mayor of New York City (R) from 1 January 1994 to 31 December 2001, succeeding David Dinkins and preceding Michael Bloomberg. Giuliani was popular for improving the quality of life in the city, decreasing the violent crime rate, prosecuting the American Mafia, and leading the city during its recovery from the 9/11 attacks in 2001.

Biography
Rudy Giuliani was born in Flatbush, Brooklyn, New York City on 28 May 1944, the son of two first-generation Italian-Americans. Giuliani graduated from Manhattan College in 1965, and he decided to forego his initial aspirations to become a priest, instead graduating from the New York University School of Law in 1968. He started his political life as a Democratic Party supporter, volunteering for Robert F. Kennedy's presidential campaign in 1968, working as a Democratic committeeman on Long Island, and voting for George McGovern during the United States presidential election, 1972.

Political career
During the 1970s, Giuliani began to work for the government as a staff member and an Associate Deputy Attorney General, and he became an independent in 1975 and a Republican Party voter in 1980. In 1981, he became Associate Attorney General during Ronald Reagan's administration, holding the third-highest position in the Justice Department. He served in this post until 1983, when he became the US Attorney for the Southern District of New York. Giuliani prosecuted pivotal cases against the American Mafia and corrupt corporate financiers, making him a popular man in New York City.

In 1994, Giuliani was elected Mayor of New York City, and he hired Bill Bratton as police commissioner; Bratton punished the smallest crimes such as vandalism and window breaking in order to create an atmosphere of law and order, as larger crimes would be deterred. Giuliani improved the quality of life in the city and lowered the rate of violent crimes, and he ran for the US Senate in 2000. However, he was diagnosed with prostate cancer, and he dropped out of the race. He also gained the respect of the people of New York City for leading the city's recovery from 9/11 in the last year of his tenure, 2001.

In 2002, Giuliani founded his own security consulting firm, Giuliani Partners, and he became a successful businessman. In 2008, he sought the Republican nomination for president, and he was an early frontrunner; however, he later wtihdrew to endorse John McCain. In 2017, Donald Trump named Giuliani his informal cybersecurity adviser.